/* Custom CSS for Proposal System */

:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
    --light-color: #f8f9fa;
    --dark-color: #212529;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
}

.navbar-brand {
    font-weight: bold;
}

.card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    margin-bottom: 1rem;
}

.card-header {
    background-color: #fff;
    border-bottom: 1px solid #dee2e6;
    border-radius: 10px 10px 0 0 !important;
    padding: 1rem 1.25rem;
}

.card-title {
    color: var(--dark-color);
    font-weight: 600;
}

/* Form Validation Styles */
.form-control.is-invalid {
    border-color: var(--danger-color);
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

.form-label .text-danger {
    font-weight: bold;
}

.required-field::after {
    content: ' *';
    color: var(--danger-color);
    font-weight: bold;
}

.btn {
    border-radius: 6px;
    font-weight: 500;
    padding: 0.5rem 1rem;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: #0b5ed7;
    border-color: #0a58ca;
}

.table {
    background-color: white;
    border-radius: 8px;
}

.table thead th {
    background-color: #f8f9fa;
    border-bottom: 2px solid #dee2e6;
    font-weight: 600;
    color: var(--dark-color);
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
}

.table-hover tbody tr:hover {
    background-color: rgba(0, 123, 255, 0.075);
}

.form-control, .form-select {
    border-radius: 6px;
    border: 1px solid #ced4da;
    padding: 0.5rem 0.75rem;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.form-label {
    font-weight: 500;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.input-group-text {
    background-color: #f8f9fa;
    border: 1px solid #ced4da;
    color: var(--secondary-color);
}

.modal-content {
    border: none;
    border-radius: 10px;
}

.modal-header {
    border-bottom: 1px solid #dee2e6;
    border-radius: 10px 10px 0 0;
}

.modal-footer {
    border-top: 1px solid #dee2e6;
    border-radius: 0 0 10px 10px;
}

.navbar-nav .nav-link {
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    margin: 0 0.25rem;
    transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.navbar-nav .nav-link.active {
    background-color: rgba(255, 255, 255, 0.2);
    font-weight: 600;
}

.dropdown-menu {
    border: none;
    border-radius: 8px;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.dropdown-item {
    padding: 0.5rem 1rem;
    font-weight: 500;
}

.dropdown-item:hover {
    background-color: var(--light-color);
}

.dropdown-item.active {
    background-color: var(--primary-color);
}

/* Dashboard Cards */
.card.bg-primary, .card.bg-success, .card.bg-warning, .card.bg-info {
    border: none;
    background: linear-gradient(135deg, var(--primary-color) 0%, #0b5ed7 100%);
}

.card.bg-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #146c43 100%);
}

.card.bg-warning {
    background: linear-gradient(135deg, var(--warning-color) 0%, #ffca2c 100%);
}

.card.bg-info {
    background: linear-gradient(135deg, var(--info-color) 0%, #3dd5f3 100%);
}

/* Loading Animation */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

/* Status Badges */
.badge {
    border-radius: 6px;
    font-weight: 500;
}

/* Action Buttons */
.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
    border-radius: 4px;
}

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Custom Utilities */
.text-muted {
    color: var(--secondary-color) !important;
}

.border-start {
    border-left: 3px solid var(--primary-color) !important;
}

/* Responsive */
@media (max-width: 768px) {
    .container-fluid {
        padding: 0.5rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .table-responsive {
        border-radius: 8px;
    }
    
    .btn {
        margin-bottom: 0.5rem;
    }
}

/* Print Styles */
@media print {
    .navbar, .btn, .modal {
        display: none !important;
    }
    
    .card {
        border: 1px solid #dee2e6 !important;
        box-shadow: none !important;
    }
    
    .table {
        font-size: 0.875rem;
    }
}

/* Animation */
.fade-in {
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Alert Styles */
.alert {
    border: none;
    border-radius: 8px;
    border-left: 4px solid;
}

.alert-success {
    border-left-color: var(--success-color);
    background-color: #d1e7dd;
    color: #0f5132;
}

.alert-danger {
    border-left-color: var(--danger-color);
    background-color: #f8d7da;
    color: #721c24;
}

.alert-warning {
    border-left-color: var(--warning-color);
    background-color: #fff3cd;
    color: #856404;
}

.alert-info {
    border-left-color: var(--info-color);
    background-color: #d1ecf1;
    color: #055160;
}